NSN 3020-01-397-5784 · NIIN 013975784 · Part number 167-6404556 FIND 44
Naval Sea Systems Command · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3020-01-397-5784 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-397-5784. Manufacturer of record part number: 167-6404556 FIND 44.
Also searched as3020-01-397-5784 ·
3020013975784 ·
NIIN 013975784 ·
01-397-5784 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 53711 · 167-6404556 FIND 44 · 167-6404556 · 211060977
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 167-6404556 FIND 44
Manufacturer: Naval Sea Systems Command
General Description
The Gear Cluster, cataloged under National Stock Number 3020-01-397-5784, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-01-397-5784
Primary Part Number
167-6404556 FIND 44
Item Name
Gear Cluster
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Bore Nominal Diameter
1.312 INCHES BOTH ENDS IN
Hub Nominal Diameter
1.880 INCHES FIRST END IN
Design Type
SPUR ALL GEARS
Bore Style
PLAIN BOTH ENDS
Nominal Overall Length
2.125 INCHES IN
Hub Style Designator
PLAIN FIRST END
Hub Nominal Length
0.250 INCHES FIRST END IN
Nominal Outside Diameter
2.158 INCHES SECOND GEAR IN
Nominal Outside Diameter
7.658 INCHES FIRST GEAR IN
Material
STEEL CORROSION RESISTING OVERALL
Construction
SOLID
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-397-5785167-6404556 FIND 102POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Naval Sea Systems Command
3040-01-397-5788167-6404556 FIND 64POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
5365-01-532-0319167-6404556-139POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5365-01-532-0347167-6404556-76POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5365-01-532-0598167-6404556-144POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5365-01-532-0604167-6404556-122POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5365-01-532-0612167-6404556-136POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
NSN 3020-01-397-5784 is a Gear Cluster, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-397-5784?
NSN 3020-01-397-5784 has 2 manufacturer part numbers on file: 167-6404556 FIND 44 (Naval Sea Systems Command), 211060977 (Naval Sea Systems Command).
What NSN replaces 3020-01-397-5784?
7 possible matches (shared part number, not a government interchangeability claim): 3020-01-397-5785, 3040-01-397-5788, 5365-01-532-0319. Verify interchangeability with system specifications before substitution.
What are the specifications of 167-6404556 FIND 44?
Key specifications for 167-6404556 FIND 44: Bore Nominal Diameter: 1.312 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.880 INCHES FIRST END IN; Design Type: SPUR ALL GEARS; Bore Style: PLAIN BOTH ENDS. 11 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-397-5784 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.